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LIN1019-5292 : Security Advisory - bison - CVE-2020-24240

Created: Aug 25, 2020    Updated: Sep 26, 2020
Resolved Date: Sep 21, 2020
Found In Version: 10.19.45.1
Fix Version: 10.19.45.12
Severity: Standard
Applicable for: Wind River Linux LTS 19
Component/s: Userspace

Description

GNU Bison 3.7 has a use after free (UAF) vulnerability. A local attacker may execute bison with crafted input file containing a NULL byte, which could triggers UAF and thus cause system crash.

CREATE(Triage):(User=admin) [CVE-2020-24240|https://nvd.nist.gov/vuln/detail/CVE-2020-24240]

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